chore: add no watch connected messgae

app/src/main/java/info/nightscout/androidaps/plugins/general/wear/wearintegration/DataLayerListenerServiceMobile.kt

@@ -134,7 +134,7 @@ class DataLayerListenerServiceMobile : WearableListenerService() {
             aapsLogger.debug(LTag.WEAR, "Nodes: ${capabilityInfo.nodes.joinToString(", ") { it.displayName + "(" + it.id + ")" }}")
             val bestNode = pickBestNodeId(capabilityInfo.nodes)
             transcriptionNodeId = bestNode?.id
-            wearPlugin.connectedDevice = bestNode?.displayName ?: "---"
+            wearPlugin.connectedDevice = bestNode?.displayName ?: rh.gs(R.string.no_watch_connected)
             rxBus.send(EventWearUpdateGui())
             aapsLogger.debug(LTag.WEAR, "Selected node: ${bestNode?.displayName} $transcriptionNodeId")
             rxBus.send(EventMobileToWear(EventData.ActionPing(System.currentTimeMillis())))

app/src/main/res/layout/wear_fragment.xml

@@ -13,7 +13,7 @@
         android:gravity="center_vertical|center_horizontal"
         android:paddingTop="10dp"
         android:paddingBottom="10dp"
-        android:text="---"
+        android:text="@string/no_watch_connected"
         android:textAppearance="@style/TextAppearance.AppCompat.Medium"
         tools:ignore="HardcodedText" />
 

app/src/main/res/values/strings.xml

@@ -1249,6 +1249,7 @@
     <string name="description_source_aidex">Receive BG values from GlucoRx Aidex CGMS.</string>
     <string name="blocked_by_charging">Blocked by charging options</string>
     <string name="blocked_by_connectivity">Blocked by connectivity options</string>
+    <string name="no_watch_connected">(No Watch Connected)</string>
 
 
 </resources>